Limitations on the stocks portfolio optimization on the Banja Luka Stock Exchange. Acta Economica, [S. l.], v. 14, n. 25, p. 35–57, 2016. DOI: 10.7251/ACE1625035R. Disponível em: https://ae.ef.unibl.org/index.php/ae/article/view/346.. Acesso em: 25 may. 2026.